53% (1969)

60% (1978)

48% (1986)

70% (1965)

20% (1984)

68% (1970)

50% (1955)

0% (1974)

52% (1937)

67% (1967)

51% (1949)

0% (1986)

50% (1965)

49% (1960)

63% (1987)

90% (1977)

60% (1945)

0% (1987)

38% (1951)

57% (1991)